Description: Using CMOS technology Display mode (6-Digit 8 Segment), support a total of positive digital tube output Key scan (8X2bit), enhanced anti-jamming key recognition circuit Gray scale adjustment circuit (duty cycle 8 adjustable) Two-wire serial interface (CLK, DIO) Specification: Shock mode: built-in RC shock (450KHz + 5%) Built-in power-on reset circuit Built-in auto-blanking circuit Package: DIP20 / SOP20 Size(LxWxH): Approx. 43.7x28.5x18mm/ 1.72x1.12 0.71 inch Digital tube size: 6-in-1 0.36 inches Driver chip: TM1637 Voltage: DC 3.3V-5V Current: 30ma The service life: ? 50000 hours Drive mode: I2C protocol The working temperature: -40? to 85? Package Includes: 1 Piece of TM1637 0.36" 6-Digit Digital Display Control Module